Proof Inbox

Prepaid email-verify credits for MCP agents via Stripe Link.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Remote HTTP

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "proof-inbox-2": {
      "url": "https://proofinbox.com"
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Capabilities & Tool Schemas (3)Self-reported

Inspect callable tools, capabilities, and parameters exposed to AI agents by Proof Inbox.

balance

tank check. Costs 0.

verify_email

fresh check costs 1. Cache (30 days), syntax, and vendor `unknown` cost 0.

receipts

checkout session id. Do not invent it.

Documentation Overview

Proof Inbox MCP

Public listing for Proof Inbox: prepaid email-verify credits for MCP agents (Grok Bot, Cursor, Claude, and any Streamable HTTP client).

Install: https://proofinbox.com/connect
Grok Bot form: https://proofinbox.com/grok-bot
MCP: https://mcp.proofinbox.com/mcp
Registry: com.proofinbox/verify
Smithery: https://smithery.ai/servers/proofinbox/verify
cursor.directory: https://cursor.directory/plugins/proof-inbox
Checkout: https://proofinbox.com/buy/verify-500 — $9 / 500 credits

The product app stays in a private repo. This repo exists so directories that scrape GitHub can find the hosted MCP.

Any MCP client

Point a Streamable HTTP client at https://mcp.proofinbox.com/mcp.

Code

URL:      https://mcp.proofinbox.com/mcp
Headers:  Authorization: Bearer <workspace_token>

Get the token from checkout. Reuse it. Never invent one.

Grok Bot

Settings → Plugins → add a custom MCP server (not the Marketplace catalog).

Code

Name:     Proof Inbox
URL:      https://mcp.proofinbox.com/mcp
Headers:  Authorization: Bearer <workspace_token>

Get the token from checkout. Reuse it. Never invent one.

Tools

balance — tank check. Costs 0.
verify_email — fresh check costs 1. Cache (30 days), syntax, and vendor unknown cost 0.
receipts — checkout session id. Do not invent it.

On payment_required, open the returned checkout_url.

Directories

Smithery — live as proofinbox/verify
cursor.directory — live as proof-inbox

Read the full README →View source on GitHub →

Related MCP Servers

View all in Communication View all alternatives

Adoption & maintenance

Factual signals from GitHub, npm, and our automated checks — not a rating.

Last commit

10d ago

Most recent push to the default branch.

Tools exposed

Callable tools this server registers over MCP.

Reviews

No reviews yet — be the first to share how this listing worked for you.

Frequently Asked Questions about Proof Inbox

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "proof-inbox": { "command": "npx", "args": ["-y", "Proof Inbox"] } }

AllMCPs Directory Badge

Full Badge Customizer

Showcase your server listing on GitHub or your project documentation. Embed this dynamic SVG badge to highlight official listing status and live engagement.

Badge Style:

Live Dynamic SVG Preview

Markdown (GitHub README)

[![AllMCPs](https://allmcps.com/api/badge/proof-inbox-2?style=directory)](https://allmcps.com/mcp/proof-inbox-2)

HTML Embed

<a href="https://allmcps.com/mcp/proof-inbox-2"><img src="https://allmcps.com/api/badge/proof-inbox-2?style=directory" alt="Proof Inbox on AllMCPs" /></a>

Technical Specs & Signals

CategoryCommunication

49Quality signal: Fair · 49/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20

Documentation & tools23/30

Adoption & activity4/15

Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

★ Featured

AllMCPs Server

The official MCP server for AllMCPs.com - submit and manage tools directly from your AI. The open directory for MCP servers. Connect Claude, Cursor, Windsurf, and AI agents to databases, tools, files, and APIs. Explore 10,000+ servers. AllMCPs is the premier, open directory for discovering, evaluating, and installing Model Context Protocol (MCP) servers to equip AI agents and LLMs with real-world superpowers.

Explore Server →

Own this project?

This directory is pre-filled from public sources. Claim via GitHub README, site badge, or DNS TXT to unlock edit access and the Official badge — proof is checked automatically, then reviewed by our team.

Free dofollow backlink: add your website and place the AllMCPs badge on it — no claim needed. We detect it automatically and keep it verified as long as the badge stays live.

Claim & get free dofollow

Share & Embed

Add our SVG badge (dark/light directory styles) or embeddable widget to your site.

Explore more

More in 💬 Communication →Best MCP servers for Slack & Communication →Alternatives to Proof Inbox →Install in Claude Desktop Install in Cursor Install in VS Code

Documentation Overview

Proof Inbox MCP

Public listing for Proof Inbox: prepaid email-verify credits for MCP agents (Grok Bot, Cursor, Claude, and any Streamable HTTP client).

Install: https://proofinbox.com/connect
Grok Bot form: https://proofinbox.com/grok-bot
MCP: https://mcp.proofinbox.com/mcp
Registry: com.proofinbox/verify
Smithery: https://smithery.ai/servers/proofinbox/verify
cursor.directory: https://cursor.directory/plugins/proof-inbox
Checkout: https://proofinbox.com/buy/verify-500 — $9 / 500 credits

The product app stays in a private repo. This repo exists so directories that scrape GitHub can find the hosted MCP.

Any MCP client

Point a Streamable HTTP client at https://mcp.proofinbox.com/mcp.

Code

URL:      https://mcp.proofinbox.com/mcp
Headers:  Authorization: Bearer <workspace_token>

Get the token from checkout. Reuse it. Never invent one.

Grok Bot

Settings → Plugins → add a custom MCP server (not the Marketplace catalog).

Code

Name:     Proof Inbox
URL:      https://mcp.proofinbox.com/mcp
Headers:  Authorization: Bearer <workspace_token>

Get the token from checkout. Reuse it. Never invent one.

Tools

balance — tank check. Costs 0.
verify_email — fresh check costs 1. Cache (30 days), syntax, and vendor unknown cost 0.
receipts — checkout session id. Do not invent it.

On payment_required, open the returned checkout_url.

Directories

Smithery — live as proofinbox/verify
cursor.directory — live as proof-inbox